Sql

How can I do insert if not exists in MySQL

How can I do insert if not exists in MySQL

I began by googling and recovered the article However to compose INSERT if NOT EXISTS queries successful modular SQL which talks astir mutex tables I person a
SQL SELECT WHERE field contains words

SQL SELECT WHERE field contains words

I demand a choice which would instrument outcomes similar this Choice FROM MyTable Wherever Column1 Accommodates word1 word2 word3 And I demand each outcomes
NOT IN vs NOT EXISTS

NOT IN vs NOT EXISTS

Which of these queries is the quicker NOT EXISTS Choice ProductID ProductName FROM NorthwindMerchandise p Wherever NOT EXISTS Choice 1 FROM NorthwindCommand
How to insert multiple rows in SQLite

How to insert multiple rows in SQLite

Successful MySQL you tin insert aggregate rows similar this INSERT INTO tablename column1 column2 VALUES data1 data2 data1 data2 data1 data2 data1 data2
Declare a variable in a PostgreSQL query

Declare a variable in a PostgreSQL query

However bash I state a adaptable for usage successful a PostgreSQL eightthree question Successful Sclerosis SQL Server I tin bash this State myvar INT Fit